54538997 has 2 divisors, whose sum is σ = 54538998. Its totient is φ = 54538996.

The previous prime is 54538927. The next prime is 54539029. The reversal of 54538997 is 79983545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 10329796 = 6649^2 + 3214^2 .

It is a cyclic number.

It is not a de Polignac number, because 54538997 - 2²⁰ = 53490421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54538927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27269498 + 27269499.

It is an arithmetic number, because the mean of its divisors is an integer number (27269499).

Almost surely, 2^54538997 is an apocalyptic number.

It is an amenable number.

54538997 is a deficient number, since it is larger than the sum of its proper divisors (1).

54538997 is an equidigital number, since it uses as much as digits as its factorization.

54538997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The square root of 54538997 is about 7385.0522679261. The cubic root of 54538997 is about 379.2297347304.

The spelling of 54538997 in words is "fifty-four million, five hundred thirty-eight thousand, nine hundred ninety-seven".